H2H data updated: 2026-09-13 00:00 UTC

Naomi Osaka vs Heather Watson H2H: 1-0

Naomi Osaka holds a 1–0 lead over Heather Watson in their WTA head-to-head. Across 1 main-draw meeting, Naomi Osaka leads 1–0 on hard courts. Most recently, Naomi Osaka won the 2017 Canadian Open first round 6-1 4-1 RET.

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Naomi Osaka
Japan Age 28 Right-Handed 180 cm / 5'11"
H2H
1 – 0
1 main-draw meetings
Heather Watson
Great Britain Age 34 Right-Handed 170 cm / 5'7"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Naomi Osaka #50 6-1 4-1 (ret.) Heather Watson #71 Match data Aug 9, 2017* R64 Canadian Open Premier 5 → modern equivalent WTA 1000 Hard

Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 including documented historical predecessor categories Finals 500 including documented historical predecessor categories 250 including documented historical predecessor categories Titles
Naomi Osaka #13 #1 7,985 2,179 251 136 64.9% 4 2 0 1 1 8
Heather Watson #446 #38 1,386 1,755 146 199 42.3% 0 0 0 0 4 4

Career Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.

Age Naomi Osaka Heather Watson
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 2014 2–2 50.0% #260 1,530 0 0 — — — — — — —
17 2015 0–2 0.0% #144 1,508 0 0 — — — — — — —
18 2016 20–13 60.6% #48 1,700 0 0 2010 1–5 16.7% #176 1,472 0 0
19 2017 19–22 46.3% #68 1,695 0 0 2011 10–11 47.6% #92 1,536 0 0
20 2018 40–20 66.7% #5 1,902 1 2 2012 18–17 51.4% #49 1,693 0 1
21 2019 40–13 75.5% #3 2,047 2 5 2013 9–16 36.0% #121 1,549 0 1
22 2020 16–3 84.2% #3 2,111 3 6 2014 9–17 34.6% #49 1,540 0 1
23 2021 20–8 71.4% #13 2,040 4 7 2015 18–19 48.6% #55 1,610 0 2
24 2022 15–11 57.7% #42 1,933 4 7 2016 16–19 45.7% #76 1,586 0 3
25 — — — — — — — 2017 13–15 46.4% #73 1,613 0 3
26 2024 21–17 55.3% #57 1,872 4 7 2018 10–17 37.0% #91 1,574 0 3
27 2025 31–14 68.9% #16 1,965 4 8 2019 5–9 35.7% #103 1,624 0 3
28 2026 27–11 71.1% #13 2,052 4 8 2020 9–8 52.9% #58 1,663 0 4
29 — — — — — — — 2021 7–17 29.2% #72 1,577 0 4
30 — — — — — — — 2022 9–12 42.9% #139 1,568 0 4
31 — — — — — — — 2023 8–7 53.3% #137 1,595 0 4
32 — — — — — — — 2024 3–6 33.3% #162 1,569 0 4
33 — — — — — — — 2025 1–3 25.0% #269 1,544 0 4
34 — — — — — — — 2026 0–1 0.0% #446 1,595 0 4

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.

Age Naomi Osaka Heather Watson
Yr HardClayGrass Yr HardClayGrass
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
16 2014 2 2 4 50.0% — — — — — — — — — — — — — — — — — — — — —
17 2015 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — —
18 2016 18 11 29 62.1% 2 2 4 50.0% — — — — 2010 0 1 1 0.0% 0 1 1 0.0% 1 3 4 25.0%
19 2017 13 13 26 50.0% 2 5 7 28.6% 4 4 8 50.0% 2011 7 6 13 53.8% 1 2 3 33.3% 2 3 5 40.0%
20 2018 29 13 42 69.0% 5 4 9 55.6% 6 3 9 66.7% 2012 10 11 21 47.6% 2 2 4 50.0% 6 4 10 60.0%
21 2019 30 7 37 81.1% 9 4 13 69.2% 1 2 3 33.3% 2013 7 12 19 36.8% 0 1 1 0.0% 2 3 5 40.0%
22 2020 16 3 19 84.2% — — — — — — — — 2014 4 13 17 23.5% 1 1 2 50.0% 4 3 7 57.1%
23 2021 18 5 23 78.3% 2 3 5 40.0% — — — — 2015 12 11 23 52.2% 2 5 7 28.6% 4 3 7 57.1%
24 2022 14 9 23 60.9% 1 2 3 33.3% — — — — 2016 13 11 24 54.2% 2 4 6 33.3% 1 4 5 20.0%
25 — — — — — — — — — — — — — 2017 7 11 18 38.9% — — — — 6 4 10 60.0%
26 2024 13 9 22 59.1% 5 5 10 50.0% 3 3 6 50.0% 2018 7 9 16 43.8% 2 4 6 33.3% 1 4 5 20.0%
27 2025 25 8 33 75.8% 3 3 6 50.0% 3 3 6 50.0% 2019 4 5 9 44.4% — — — — 1 4 5 20.0%
28 2026 12 6 18 66.7% 7 3 10 70.0% 8 2 10 80.0% 2020 9 6 15 60.0% 0 2 2 0.0% — — — —
29 — — — — — — — — — — — — — 2021 3 12 15 20.0% 0 1 1 0.0% 4 4 8 50.0%
30 — — — — — — — — — — — — — 2022 4 6 10 40.0% 1 3 4 25.0% 4 3 7 57.1%
31 — — — — — — — — — — — — — 2023 5 4 9 55.6% — — — — 3 3 6 50.0%
32 — — — — — — — — — — — — — 2024 2 3 5 40.0% — — — — 1 3 4 25.0%
33 — — — — — — — — — — — — — 2025 — — — — 0 1 1 0.0% 1 2 3 33.3%
34 — — — — — — — — — — — — — 2026 0 1 1 0.0% — — — — — — — —
Career — 190 88 278 68.3% 36 31 67 53.7% 25 17 42 59.5% — 94 122 216 43.5% 11 27 38 28.9% 41 50 91 45.1%

Performance Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 350/386 of Naomi Osaka's and 324/345 of Heather Watson's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.

Age Naomi Osaka Heather Watson
Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts% Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts%
16 2014 4/4 4.3 1.8 55.4% 65.3% 44.8% 33.6% 49.2% 55.5% 41.0% — —/— — — — — — — — — —
18 2016 33/33 4.8 2.5 55.2% 69.6% 48.3% 54.8% 51.5% 59.9% 43.8% 2010 6/6 2.7 3.2 62.5% 58.2% 41.9% 44.7% 30.6% 52.2% 40.1%
19 2017 40/41 4.2 2.5 55.9% 67.2% 45.7% 45.6% 46.3% 57.5% 40.2% 2011 21/21 3.2 2.8 65.7% 63.2% 45.6% 56.1% 47.7% 57.3% 44.0%
20 2018 55/60 4.7 2.1 59.7% 71.1% 48.8% 55.8% 55.7% 61.9% 45.3% 2012 30/35 2.8 2.9 65.0% 63.4% 43.8% 48.6% 46.6% 56.4% 42.9%
21 2019 50/53 7.0 1.9 60.2% 73.1% 47.9% 56.3% 51.0% 63.1% 44.4% 2013 25/25 3.6 3.1 62.5% 63.2% 47.0% 52.4% 47.4% 57.0% 40.8%
22 2020 18/19 7.8 2.5 59.0% 76.0% 53.0% 64.2% 43.2% 66.5% 42.5% 2014 24/26 2.9 3.4 59.3% 60.0% 42.1% 43.9% 51.4% 52.0% 40.8%
23 2021 21/28 6.5 2.8 53.5% 76.2% 52.2% 59.4% 52.6% 64.9% 43.6% 2015 31/37 3.5 3.5 58.9% 64.6% 48.5% 54.7% 52.9% 58.0% 42.4%
24 2022 22/26 5.7 2.5 51.4% 76.9% 47.4% 61.9% 44.1% 62.7% 41.4% 2016 33/35 4.2 3.8 58.5% 65.2% 46.2% 57.8% 51.6% 57.3% 45.0%
25 — —/— — — — — — — — — — 2017 27/28 3.5 4.9 58.6% 66.8% 45.4% 61.4% 49.9% 57.8% 43.0%
26 2024 36/38 6.5 2.7 54.0% 75.1% 51.1% 56.3% 50.1% 64.0% 40.4% 2018 26/27 4.1 3.4 59.5% 64.9% 43.9% 49.2% 45.6% 56.4% 42.8%
27 2025 34/46 6.6 2.9 56.9% 74.7% 49.3% 52.5% 53.6% 63.5% 45.2% 2019 14/14 3.4 3.4 57.0% 63.2% 43.4% 56.7% 37.8% 54.7% 40.9%
28 2026 37/38 5.9 2.5 58.2% 72.9% 49.6% 52.0% 47.3% 63.2% 42.7% 2020 17/17 4.1 3.2 57.0% 64.4% 43.9% 52.1% 53.4% 55.8% 42.0%
29 — —/— — — — — — — — — — 2021 23/24 5.4 4.1 56.3% 67.6% 41.7% 58.4% 46.4% 56.4% 37.2%
30 — —/— — — — — — — — — — 2022 20/21 2.9 2.1 62.3% 63.2% 44.4% 52.4% 51.3% 56.1% 40.4%
31 — —/— — — — — — — — — — 2023 15/15 3.2 3.5 59.7% 65.9% 42.0% 44.9% 38.1% 56.2% 42.5%
32 — —/— — — — — — — — — — 2024 9/9 2.2 3.4 55.4% 67.6% 44.0% 50.8% 52.4% 56.8% 39.0%
33 — —/— — — — — — — — — — 2025 2/4 2.5 2.5 51.4% 65.4% 41.1% 35.0% 39.6% 53.7% 43.4%
34 — —/— — — — — — — — — — 2026 1/1 0.0 4.0 48.5% 68.8% 23.5% 57.1% 33.3% 45.5% 37.9%
Career — 350/388 5.8 2.4 56.9% 72.6% 48.9% 54.7% 50.3% 62.3% 43.1% — 324/345 3.5 3.4 60.0% 64.3% 44.6% 52.9% 48.0% 56.3% 41.9%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.

Age Naomi Osaka Heather Watson
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
16 2014 1531 113.5 +0.17 +0.57 0.923 48.4% +17 — — 45.5% 0.00 2–1 (67%) 1–0 — -0.19 — — — — — — — — — — — — — — — —
17 2015 1509 102.0 — — — — — — — 20.0% -1.80 0–1 — — 0.00 — — — — — — — — — — — — — — — —
18 2016 1700 128.3 +3.18 +0.66 1.091 51.9% -10 -101 — 60.0% +0.65 4–5 (44%) 5–6 (45%) 101.0 +0.04 2010 1473 98.6 -0.96 -1.56 0.838 46.2% — — +99 23.1% -1.38 0–1 0–1 — +0.18
19 2017 1696 132.1 +1.30 -2.12 0.947 48.9% +6 -84 -47 45.8% -0.18 5–4 (56%) 2–5 (29%) 97.8 -1.51 2011 1537 115.9 +1.02 -0.72 1.031 51.0% +26 -23 +9 51.1% +0.30 1–4 (20%) 2–3 (40%) 96.5 +1.09
20 2018 1902 160.7 +5.21 +2.94 1.190 53.8% +17 -236 -168 67.5% +1.35 4–3 (57%) 4–4 (50%) 99.8 -2.09 2012 1693 127.7 +0.47 +0.10 0.984 49.6% -34 -139 -55 51.3% -0.23 5–5 (50%) 8–6 (57%) 103.8 -0.84
21 2019 2047 154.9 +5.80 +1.63 1.202 53.6% +30 -229 -350 68.4% +1.22 17–2 (89%) 10–4 (71%) 116.1 +0.60 2013 1550 109.0 +0.35 -2.61 0.948 49.1% -5 — +30 38.3% -0.70 5–9 (36%) 3–2 (60%) 94.6 +0.15
22 2020 2112 156.0 +6.66 +1.24 1.267 54.0% +19 — — 71.7% +1.61 9–1 (90%) 3–5 (38%) 103.1 -0.42 2014 1540 121.1 -2.65 -1.65 0.851 46.8% -40 — +96 36.1% -0.87 5–6 (45%) 1–3 (25%) — -0.39
23 2021 2040 154.1 +6.00 +1.08 1.240 54.0% +82 -235 — 72.2% +1.43 3–3 (50%) 2–2 (50%) 95.5 -0.04 2015 1610 129.5 -0.01 +1.12 1.008 50.4% -15 -87 +77 50.6% +0.13 6–9 (40%) 2–7 (22%) 96.0 -0.01
24 2022 1934 147.8 +4.77 +0.02 1.112 52.0% +91 -156 — 57.4% +0.81 4–1 (80%) 0–2 — -0.62 2016 1586 126.9 +0.96 +0.88 1.053 51.0% +27 -56 +28 48.2% +0.12 8–9 (47%) 4–4 (50%) 99.3 -0.97
25 — — — — — — — — — — — — — — — — 2017 1614 124.1 +1.17 -0.04 1.019 50.6% -57 — +98 49.2% +0.29 5–6 (45%) 2–7 (22%) 95.1 -1.23
26 2024 1873 146.8 +5.89 -1.17 1.122 52.2% +76 -98 -157 56.3% +0.71 3–5 (38%) 4–8 (33%) 94.1 -2.05 2018 1574 120.5 -0.38 -0.79 0.981 49.7% +4 -55 +92 41.9% -0.42 2–6 (25%) 2–5 (29%) 93.2 +0.66
27 2025 1966 153.3 +4.79 +1.97 1.240 54.1% +59 -128 -253 65.4% +1.12 11–9 (55%) 10–6 (63%) 101.6 +0.92 2019 1625 117.3 -0.69 -1.28 0.902 47.8% 0 — -17 38.7% -0.68 1–2 (33%) 3–2 (60%) 100.8 -0.18
28 2026 2053 158.1 +5.15 +1.24 1.160 53.0% +1 -104 -111 66.7% +1.12 8–2 (80%) 7–3 (70%) 109.0 -0.80 2020 1664 126.5 -0.35 +0.15 0.950 49.1% +30 — — 51.2% -0.10 6–3 (67%) 3–5 (38%) 101.7 -0.02
29 — — — — — — — — — — — — — — — — 2021 1578 117.2 -0.31 -3.41 0.854 47.3% +6 — +45 33.3% -0.80 4–6 (40%) 6–6 (50%) 99.6 +0.11
30 — — — — — — — — — — — — — — — — 2022 1568 107.0 -0.88 -1.99 0.920 48.4% +3 -155 +83 39.6% -0.54 5–1 (83%) 3–7 (30%) 101.5 +1.46
31 — — — — — — — — — — — — — — — — 2023 1596 115.3 -0.40 -1.06 0.971 49.4% -14 — +129 50.0% -0.09 3–1 (75%) 4–0 (100%) 105.8 +0.33
32 — — — — — — — — — — — — — — — — 2024 1569 118.9 -0.40 -1.74 0.904 47.8% +24 — +120 35.0% -0.65 1–1 0–1 — +0.23
33 — — — — — — — — — — — — — — — — 2025 1544 104.7 -1.18 +1.77 0.937 48.3% — — +113 33.3% -0.55 0–1 0–1 — -0.02
34 — — — — — — — — — — — — — — — — 2026 1595 109.3 -0.18 -2.54 0.695 41.9% — — — 0.0% -4.00 — — — +0.06
Career — 2179 157.0 +4.72 +0.85 1.143 52.6% +35 -157 -155 62.7% +0.95 70–37 (65%) 48–45 (52%) 107.0 -1.65 — 1755 124.6 -0.08 -0.77 0.959 49.3% -6 -84 +58 44.2% -0.28 57–70 (45%) 43–60 (42%) 92.9 +0.18

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.